wip: add knot-exporter

.github/workflows/test.yml

@@ -71,6 +71,7 @@ jobs:
         ln -s ../desec-ns/dnsdist
         ln -s ../desec-ns/dox-certs
         ln -s ../desec-ns/ns
+        ln -s ../desec-ns/ns-exporter
         ln -s ../desec-ns/openvpn-client
         ln -s ../desec-ns/replicator
         ln -s ../desec-ns/dnsperf

docker-compose.yml

@@ -52,6 +52,18 @@ services:
         tag: "desec-ns/ns"
     restart: unless-stopped
 
+  ns-exporter:
+    build: ns-exporter
+    image: ${DOCKER_REGISTRY}desec/desec-ns-exporter:latest
+    init: true
+    volumes:
+    - knotsocket:/run/knot/
+    logging:
+      driver: "syslog"
+      options:
+        tag: "desec-ns/ns-exporter"
+    restart: unless-stopped
+
   dnsdist:
     build: dnsdist
     image: ${DOCKER_REGISTRY}desec/desec-ns-dnsdist:latest

ns-exporter/Dockerfile

@@ -0,0 +1,18 @@
+ARG DOCKER_REGISTRY
+FROM ${DOCKER_REGISTRY}cznic/knot
+# TODO fix version
+
+RUN apt-get update \
+    && apt-get install -y python3-pip python3-venv \
+	&& apt-get clean \
+	&& rm -rf /var/lib/apt/lists/*
+
+RUN mkdir /usr/src/app
+WORKDIR /usr/src/app
+
+COPY entrypoint.sh .
+RUN python3 -m venv venv && ./venv/bin/pip install --no-cache-dir knot-exporter
+
+EXPOSE 9433/TCP
+
+CMD ["/usr/src/app/venv/bin/knot-exporter"]

ns-exporter/entrypoint.sh

@@ -0,0 +1,3 @@
+#!/bin/bash
+source ./.venv/bin/activate
+knot-exporter